From 09ed314a9382f68ae270669f4eb010402d8bbdfe Mon Sep 17 00:00:00 2001
From: Sebastian Quintero <sebastian@nextmv.io>
Date: Thu, 12 Sep 2024 22:32:55 -0500
Subject: [PATCH] Fix multicsv app

---
 .../input/items.csv                           | 24 +++++++++----------
 .../input/weight_capacity.csv                 |  2 +-
 python-ortools-knapsack-multicsv/main.py      |  6 ++---
 3 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/python-ortools-knapsack-multicsv/input/items.csv b/python-ortools-knapsack-multicsv/input/items.csv
index e2b2179..913b789 100644
--- a/python-ortools-knapsack-multicsv/input/items.csv
+++ b/python-ortools-knapsack-multicsv/input/items.csv
@@ -1,12 +1,12 @@
-"id","value","weight"
-"cat",100,20
-"dog",20,45
-"water",40,2
-"phone",6,1
-"book",63,10
-"rx",81,1
-"tablet",28,8
-"coat",44,9
-"laptop",51,13
-"keys",92,1
-"nuts",18,4
+id,value,weight
+cat,100,20
+dog,20,45
+water,40,2
+phone,6,1
+book,63,10
+rx,81,1
+tablet,28,8
+coat,44,9
+laptop,51,13
+keys,92,1
+nuts,18,4
diff --git a/python-ortools-knapsack-multicsv/input/weight_capacity.csv b/python-ortools-knapsack-multicsv/input/weight_capacity.csv
index 0db5197..d8f8d2a 100644
--- a/python-ortools-knapsack-multicsv/input/weight_capacity.csv
+++ b/python-ortools-knapsack-multicsv/input/weight_capacity.csv
@@ -1,2 +1,2 @@
-"weight_capacity"
+weight_capacity
 50
diff --git a/python-ortools-knapsack-multicsv/main.py b/python-ortools-knapsack-multicsv/main.py
index 4741838..f531eff 100644
--- a/python-ortools-knapsack-multicsv/main.py
+++ b/python-ortools-knapsack-multicsv/main.py
@@ -58,12 +58,12 @@ def solve(input: nextmv.Input, options: nextmv.Options) -> nextmv.Output:
     for item in input.data["items"]:
         item_variable = solver.IntVar(0, 1, item["id"])
         items.append({"item": item, "variable": item_variable})
-        weights += item_variable * item["weight"]
-        values += item_variable * item["value"]
+        weights += item_variable * int(item["weight"])
+        values += item_variable * int(item["value"])
 
     # This constraint ensures the weight capacity of the knapsack will not be
     # exceeded.
-    capacity = input.data["weight_capacity"][0]["weight_capacity"]  # Read as a CSV.
+    capacity = int(input.data["weight_capacity"][0]["weight_capacity"])  # Read as a CSV.
     solver.Add(weights <= capacity)
 
     # Sets the objective function: maximize the value of the chosen items.